Two (2) vintage IEC Mullard 6663 6AL5 tubes.  Marked Gt Britian. 

Condition:  NOS, New Original Boxes.  Not tested.

Please email with any questions.

Shipping is typically with 24 hours of payment (excluding weekends).

Payment must be received with 7 days of purchase.

Thanks for looking and please check our store for many more great vintage tubes!